Articles tagged with Electron Reactions
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Ryan Amberger, a Ph.D. candidate in physics at Texas A&M University, has been selected for a 2025 Los Alamos-Texas A&M Fellowship to conduct dissertation research on nuclear astrophysics. He aims to improve understanding of the s-process by studying neutron cross sections.
Researchers at TU Wien have developed a new electrochemical synthesis method for MXene, overcoming the difficulties of producing this 'miracle material'. The new process uses electricity instead of toxic hydrofluoric acid, allowing for safer and more sustainable production.
A recent study from Dalian Institute of Chemical Physics measures surface charges in liquid environments, revealing an additional driving force that pulls photogenerated electrons to the surface. The researchers also found that local surface potential varies with pH and identified an optimal pH range for efficient charge transfer.
Researchers uncovered two electron-transfer mechanisms producing hydroxyl radicals, crucial in atmospheric chemistry. The findings reshape our understanding of acid-base chemistry and have implications for air quality, climate science, and biomedical processes.
Scientists have developed a novel synthesis method for trivalent phosphorus compounds, leveraging an adduct-catalyzed tandem electro-thermal approach to produce high-yielding organophosphorus compounds with improved efficiency and selectivity. The approach also enables the in-situ consumption of renewable energy sources.
Researchers developed a strategy to regulate hydrogen bond networks at electrolyte-electrode interfaces, accelerating proton transfer in CO2 reduction reactions. The approach involves introducing extra catalytic centers, such as cubic phase molybdenum carbide, to enhance water dissociation and facilitate proton generation.
A POSTECH research team has developed a new catalyst using aluminum, improving the performance of hydrogen production in alkaline water electrolysis by approximately 50%. The aluminum catalyst maintained high current density and excellent stability, making it suitable for large-scale hydrogen production.
University of Missouri researchers developed a solution to improve solid-state battery performance by understanding the root cause of issues. They used 4D STEM to examine atomic structures without disassembling batteries, ultimately determining the interphase layer was the culprit.
The newly synthesized monolayer Ti3C2Tx transforms photocatalytic bioaerosol disinfection at the catalyst-cell interface. The material achieves a sterilization efficiency of 3.3 log in just 12.8 seconds, far exceeding traditional TiO2.
A new catalyst, Ru3Zn0.85W0.15Ox (RZW), has been developed to improve the efficiency and stability of oxygen evolution reaction (OER) in acidic media, enabling more efficient green hydrogen production. The catalyst harnesses the unique electron-withdrawing properties of tungsten and sacrificial behavior of zinc to enhance OER performance.
Marie Bo&r's $875,000 grant will fund her project to learn more about partons from an experimental and phenomenological point of view. Her goal is to understand the static and dynamic properties of quarks when confined in a nucleon, with potential implications for the study of radioactivity.
Researchers developed Virtual Ligand-Assisted Optimization to enhance ligand design and effectiveness in chemical reactions. The approach analyzes ligands through computer simulations, allowing for quick testing of different designs.
Rice researchers have created a catalyst that leverages plasmonic photocatalysis to break down methane and water vapor into hydrogen and carbon monoxide without external heating. The new catalyst system enables on-demand, emissions-free hydrogen production, which could transform the energy industry.
For the first time, researchers have witnessed nanosized water bubbles forming in real time using a novel method that enables atomic precision. The breakthrough discovery has significant implications for practical applications, such as rapid water generation in deep space environments without extreme conditions.
Researchers at Tohoku University's AIMR have developed a copper-based catalyst for nitrate reduction to ammonia, achieving a significant enhancement in yield and Faraday efficiency. The catalyst's performance is attributed to structural and phase changes during the electrochemical reduction process.
Researchers successfully observe and identify the reactive electron species for photocatalytic hydrogen evolution on metal-loaded oxides, shifting the paradigm on the traditionally believed role of metal cocatalysts. The electrons shallowly trapped in the in-gap states contribute to enhancing the hydrogen evolution rate.
Researchers at Tohoku University developed a novel approach to enhance the efficiency of the oxygen evolution reaction by introducing rare earth single atoms into manganese oxide. This leads to unprecedented improvements in OER performance, making it a suitable alternative to traditional catalysts like ruthenium dioxide.
Scientists create sheets of transition metal chalcogenide 'cubes' connected by chlorine atoms, exhibiting high catalytic efficiency for hydrogen generation. The discovery opens up a new route to assembling nanosheets with unique electronic and physical properties.
Researchers designed a novel method using electricity to synthesize methanol from carbon dioxide, increasing efficiency by up to eight times. The process involves cobalt phthalocyanine molecules on carbon nanotubes, with cations enhancing methanol formation.
Researchers at Tokyo University of Science have developed a novel approach to directly observe electron transfer in solids using X-ray crystal structure analysis. This breakthrough could lead to advancements in energy storage, nanotechnology, and materials science research.
Researchers propose a new strategy to further enhance the performance of gas sensors using single-atom catalysts. The review discusses the application, structure, and principles of semiconductor-based gas sensors, as well as the mechanisms through which single-atom catalysts improve gas sensitivity.
A research team has synthesized a cutting-edge manganese-fluorine catalyst with exceptional oxidizing power, capable of extracting electrons from compounds. The catalyst facilitates efficient electron loss from toxic toluene derivatives, marking a significant breakthrough in catalytic research.
Researchers developed innovative Au@Cu7S4 yolk@shell nanocrystals capable of producing hydrogen when exposed to both visible and NIR light, achieving a peak quantum yield of 9.4% in the visible range and 7.3% in the NIR range for hydrogen production.
Scientists have designed a highly luminescent electrogenerated chemiluminescence cell using an iridium complex and a mediator. The cell achieves peak luminance exceeding 100 cd/m² and maximum current efficiency of 2.84 cd/A⁻¹, representing the highest values reported for ECL cells based on an iridium complex.
MIT researchers found that applying a small voltage to a catalyst can significantly increase the rates of non-redox chemical reactions used in petrochemical processing and pharmaceutical manufacture. This discovery has the potential to transform our understanding of catalysis and design new reactors to take advantage of this phenomenon.
Chemical reactions were long thought to occur along minimum energy paths. However, researchers have now observed 'roaming' reactions that stray from this path even in highly excited energy states. This discovery has significant implications for understanding atmospheric chemistry and the production of molecular oxygen.
Researchers have discovered a simple rule to design single-atom alloy catalysts for chemical reactions, allowing scientists to identify promising catalysts rapidly and efficiently. The 'ten electron rule' enables the prediction of catalytic activity by analyzing the periodic table.
Researchers at IBS achieve real-time observation of molecular ion formation and structural evolution using MeV-UED, unveiling a stable 'dark state' and ring-shaped intermediate ions. This breakthrough advances understanding of ion chemistry and its applications.
Researchers have successfully transmitted a domino effect in redox reactions for the first time. The new mechanism involves a two-part molecule that undergoes structural changes upon oxidation, triggering further oxidation in neighboring groups. This discovery has potential applications in nanoscale computing and energy systems.
A team at Hokkaido University has developed a method to reuse plastic waste while improving process safety and efficiency. The approach uses common plastic materials to initiate radical chain reactions, detoxifying hazardous chemicals and reducing toxicity.
A team of researchers developed a hexagonal BaTiO3−xNy oxynitride catalyst with basicity comparable to that of superbases. The substitution of nitride ions and oxygen vacancies into face-sharing Ti2O9 dimer sites increases the electron density, resulting in a highly basic catalyst.
Researchers from GIST have developed a new electrode using Schottky junctions to overcome the conductance limit of active catalysts, achieving high-performance water splitting and hydrogen evolution reactions. The electrode demonstrated remarkable current density and durability during continuous operation for 10 days.
A UNIGE team has developed an electrical device that can activate and accelerate chemical reactions using a simple electric field. The device, called an electrochemical microfluidic reactor, enables chemists to control chemical reactions with ease, reducing the need for complex strategies and resources.
Researchers have developed a highly efficient organometal halide perovskite photoanode that suppresses internal and external losses associated with photoelectrochemical water splitting, enhancing reaction kinetics. The new design achieves an unprecedented applied bias photon-to-current conversion efficiency of 12.79%.
Researchers used ultrafast electron diffraction to image the pericyclic minimum, a critical geometry in electrocyclic reactions. The study reveals that stereospecificity arises from the change of double bonds, not the exact motion, allowing for more precise synthetic chemistry tools.
Researchers investigate how water molecules react with or on nanoparticle surfaces in aqueous solutions. They found that acidic conditions cause water molecules to split on hematite nanoparticles, while basic pH is required for anatase nanoparticles.
Peter Hurck, the 2023 JSA Postdoctoral Prize winner, is conducting data analyses to identify strange particles and learn about their properties. He hopes to improve data analysis methods for these particles using high-quality data from GlueX experiments.
A team of researchers has developed a promising synthesis method for producing 6-(difluoromethyl)phenanthridines, which hold tremendous potential for drug development. The study uses aryl-substituted difluoromethylborates and radical isonitrile insertion to form phenanthridine.
Researchers at ETH Zurich discovered a new method to produce slow electrons through optical excitation, allowing for more efficient chemical reactions. The slow electrons, created by dissolving sodium in ammonia and exposing it to UV light, can be controlled and used to initiate reactions.
Researchers developed a high-performance 2D pseudocapacitive multi-electron reaction lithium storage material, exhibiting high capacity and ultrafast charging capabilities. The material showed improved electronic and ionic conductivity, reducing polarization and increasing overall energy density.
Texas A&M researchers have found a significant increase in energy storage capacity of water-based battery electrodes, paving the way for safer and more stable batteries. The discovery could provide an alternative to lithium-ion batteries, which are facing material shortages and price increases.
Researchers at Berkeley Lab have developed a new technique that captures real-time movies of copper nanoparticles as they convert carbon dioxide into renewable fuels and chemicals. The study reveals that metallic copper nanograins serve as active sites for CO2 reduction, paving the way for advanced solar fuel technology.
Researchers at UCF have developed single-atom platinum catalysts that reduce the amount of precious metals needed in catalytic converters. These improvements can enhance catalytic performance while minimizing environmental harm.
Researchers introduced a new method to analyze dynamic processes in photoelectrocatalytic reactions using carbon dots. The technique, TPV technology, provides detailed information on charge transfer and reaction kinetics, enabling the discovery of new catalytic properties.
Researchers at University of Göttingen develop a new method to convert CO2 into chemical substances by confining molecules in nano-sized environments. The team demonstrates the ability to break individual chemical bonds and restore them in single molecules under controlled conditions.
Scientists have developed a method to control chemical reactions in a single molecule by applying voltage pulses, resulting in unprecedented selectivity. By fine-tuning the voltage, researchers can interconvert different products formed during the reaction.
Researchers from Tokyo Institute of Technology have developed a surface-modified dye-sensitized nanosheet catalyst that can suppress undesirable back electron transfer and improve water splitting activity. This results in an efficient Z-scheme overall water splitting system with improved hydrogen production.
Researchers at Kyoto University have developed a new protocol for synthesizing dialkyl ethers using three catalysts that hydroxylate alkenes quickly and cheaply. This method enables the precise control of electrons and protons to convert unactivated alkenes into reactive carbocation equivalents under mild reaction conditions.
Researchers have found a way to perform hydrogen atom transfer reactions with fewer chemicals and less cost, making it more efficient for industrial and academic settings. The new method uses electrochemistry to create cobalt hydride catalysts, reducing the need for expensive oxidants and reductants.
Australian and Asian researchers have used a simulation of a new experimental technique to determine accurate electron cross-sections in liquid using a micro-jet of water, paving the way for more efficient plasma-liquid models. This proof-of-concept model uses machine learning and Monte Carlo training data to enhance predictive power.
Dr. Perla Balbuena's study uses quantum chemical methods to track specific reactions on Li-metal battery surfaces, revealing insights into polymer formation and surface chemistry. The research aims to optimize Li-metal batteries' performance and lifespan by controlling reactivity.
Researchers at Arizona State University have developed a hybrid device that combines living organisms with bio batteries to produce stored energy under light conditions. The technology, known as microbial electro photosynthesis, has the potential to power a wide range of products, including transportation fuels and cosmetics.
Researchers used a COLTRIMS reaction microscope to determine the duration of an electron's release after photon absorption. The study found that the emission time depends on the direction and velocity of the electron, revealing a complex interplay between quantum physics and molecular dynamics.
A physicist at Lancaster University has suggested an alternative approach to calculate radiation reaction, which has sparked controversy. The proposed method considers the effects of many charged particles on each other's fields, rather than self-interaction, leading to new insights into energy and momentum conservation.
Researchers at Rice University have developed a theory showing how manipulating quasiparticles could help improve chemical reactions. By applying electric fields, holes can be made to migrate across the surface of catalyst particles, activating neighboring sites and increasing the efficiency of the reaction.
A new device has been developed that converts sunlight into two promising sources of renewable fuels – ethylene and hydrogen. The researchers found that by optimizing the working conditions for cuprous oxide, a promising artificial photosynthesis material, they can create a more stable system.
A combined experimental and computational study published in Nature Catalysis introduces a new class of complex metal hydride catalysts that can synthesise ammonia at temperatures as low as 300°C and pressures as low as 1 bar. These catalysts have the potential to pave the way for more sustainable means of ammonia production.
A new study by WMU Professor Michael Famiano and colleagues finds that high magnetic fields in neutron stars can alter the composition of ashes and affect electron capture rates. This discovery has significant implications for our understanding of stellar environments and the formation of elements.
Researchers have observed hydroxyl-hydronium complex in ionized liquid water using MeV-UED instrument. This discovery is significant for understanding chemical reactions and has implications for fields such as space travel, environmental remediation, and medicine.